Millions of years ago, a herd of dinosaurs left behind footprints in what has been interpreted as a stampede to escape a predator. A young researcher now suggests a very different interpretation. Ari Daniel Shapiro of our partner program NOVA reports.

Utah's Fishlake National Forest is home to a stand of aspen trees that's actually one genetic clone — 100 square acres and tens of thousands of year's worth of the same tree. And that stand, named Pando, may just be the biggest living thing on the planet.

The first reported sighting of the Loch Ness Monster made the local news May 2, 1933. Since then, more than 40 sightings have been reported. But that's not the only mysterious sea creature that has been reported but never conclusively proven to exist.

Turkish media took a conspiratorial turn recently after a bird was found in a field, dead, with a metal band around its leg. The band said "Israel Tel Aviv," which immediately raised suspicions that the bird was on an espionage mission. Of course it wasn't, but it's not the first time banded animals aroused suspicion of nefarious intentions.